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 *
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 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
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 * Contributor(s):
 *
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////////////////////////////////////////////////////////////
//
// Implementation of plugin entry points (NPP_*)
//
#include "pluginbase.h"

// here the plugin creates a plugin instance object which 
// will be associated with this newly created NPP instance and 
// will do all the necessary job
NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode,
                int16 argc, char *argn[], char *argv[], NPSavedData * saved)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    NPError rv = NPERR_NO_ERROR;

    // create a new plugin instance object
    // initialization will be done when the associated window is ready
    nsPluginCreateData ds;

    ds.instance = instance;
    ds.type = pluginType;
    ds.mode = mode;
    ds.argc = argc;
    ds.argn = argn;
    ds.argv = argv;
    ds.saved = saved;

    nsPluginInstanceBase *plugin = NS_NewPluginInstance(&ds);
    if (plugin == NULL)
        return NPERR_OUT_OF_MEMORY_ERROR;

    // associate the plugin instance object with NPP instance
    instance->pdata = (void *) plugin;
    return rv;
}

// here is the place to clean up and destroy the nsPluginInstance object
NPError NPP_Destroy(NPP instance, NPSavedData ** save)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    NPError rv = NPERR_NO_ERROR;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin != NULL) {
        plugin->shut();
        NS_DestroyPluginInstance(plugin);
    }
    return rv;
}

// during this call we know when the plugin window is ready or
// is about to be destroyed so we can do some gui specific
// initialization and shutdown
NPError NPP_SetWindow(NPP instance, NPWindow * pNPWindow)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    NPError rv = NPERR_NO_ERROR;

    if (pNPWindow == NULL)
        return NPERR_GENERIC_ERROR;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;

    if (plugin == NULL)
        return NPERR_GENERIC_ERROR;

    // window just created
    if (!plugin->isInitialized() && (pNPWindow->window != NULL)) {
        if (!plugin->init(pNPWindow)) {
            NS_DestroyPluginInstance(plugin);
            return NPERR_MODULE_LOAD_FAILED_ERROR;
        }
    }
    // window goes away
    if ((pNPWindow->window == NULL) && plugin->isInitialized())
        return plugin->SetWindow(pNPWindow);

    // window resized?
    if (plugin->isInitialized() && (pNPWindow->window != NULL))
        return plugin->SetWindow(pNPWindow);

    // this should not happen, nothing to do
    if ((pNPWindow->window == NULL) && !plugin->isInitialized())
        return plugin->SetWindow(pNPWindow);

    return rv;
}

NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream * stream,
                      NPBool seekable, uint16 * stype)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return NPERR_GENERIC_ERROR;

    NPError rv = plugin->NewStream(type, stream, seekable, stype);
    return rv;
}

int32 NPP_WriteReady(NPP instance, NPStream * stream)
{
    if (instance == NULL)
        return 0x0fffffff;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return 0x0fffffff;

    int32 rv = plugin->WriteReady(stream);
    return rv;
}

int32 NPP_Write(NPP instance, NPStream * stream, int32 offset, int32 len, void *buffer)
{
    if (instance == NULL)
        return len;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return len;

    int32 rv = plugin->Write(stream, offset, len, buffer);
    return rv;
}

NPError NPP_DestroyStream(NPP instance, NPStream * stream, NPError reason)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return NPERR_GENERIC_ERROR;

    NPError rv = plugin->DestroyStream(stream, reason);
    return rv;
}

void NPP_StreamAsFile(NPP instance, NPStream * stream, const char *fname)
{
    if (instance == NULL)
        return;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return;

    plugin->StreamAsFile(stream, fname);
}

void NPP_Print(NPP instance, NPPrint * printInfo)
{
    if (instance == NULL)
        return;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return;

    plugin->Print(printInfo);
}

void NPP_URLNotify(NPP instance, const char *url, NPReason reason, void *notifyData)
{
    if (instance == NULL)
        return;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return;

    plugin->URLNotify(url, reason, notifyData);
}

NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return NPERR_GENERIC_ERROR;

    NPError rv = plugin->GetValue(variable, value);
    return rv;
}

NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
    if (instance == NULL)
        return NPERR_INVALID_INSTANCE_ERROR;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return NPERR_GENERIC_ERROR;

    NPError rv = plugin->SetValue(variable, value);
    return rv;
}

int16 NPP_HandleEvent(NPP instance, void *event)
{
    if (instance == NULL)
        return 0;

    nsPluginInstanceBase *plugin = (nsPluginInstanceBase *) instance->pdata;
    if (plugin == NULL)
        return 0;

    uint16 rv = plugin->HandleEvent(event);
    return rv;
}

#ifdef OJI
jref NPP_GetJavaClass(void)
{
    return NULL;
}
#endif

/**************************************************/
/*                                                */
/*                     Mac                        */
/*                                                */
/**************************************************/

// Mac needs these wrappers, see npplat.h for more info

#ifdef XP_MAC

NPError Private_New(NPMIMEType pluginType, NPP instance, uint16 mode,
                    int16 argc, char *argn[], char *argv[], NPSavedData * saved)
{
    NPError rv = NPP_New(pluginType, instance, mode, argc, argn, argv, saved);
    return rv;
}

NPError Private_Destroy(NPP instance, NPSavedData ** save)
{
    NPError rv = NPP_Destroy(instance, save);
    return rv;
}

NPError Private_SetWindow(NPP instance, NPWindow * window)
{
    NPError rv = NPP_SetWindow(instance, window);
    return rv;
}

NPError Private_NewStream(NPP instance, NPMIMEType type, NPStream * stream,
                          NPBool seekable, uint16 * stype)
{
    NPError rv = NPP_NewStream(instance, type, stream, seekable, stype);
    return rv;
}

int32 Private_WriteReady(NPP instance, NPStream * stream)
{
    int32 rv = NPP_WriteReady(instance, stream);
    return rv;
}

int32 Private_Write(NPP instance, NPStream * stream, int32 offset, int32 len, void *buffer)
{
    int32 rv = NPP_Write(instance, stream, offset, len, buffer);
    return rv;
}

void Private_StreamAsFile(NPP instance, NPStream * stream, const char *fname)
{
    NPP_StreamAsFile(instance, stream, fname);
}


NPError Private_DestroyStream(NPP instance, NPStream * stream, NPError reason)
{
    NPError rv = NPP_DestroyStream(instance, stream, reason);
    return rv;
}

int16 Private_HandleEvent(NPP instance, void *event)
{
    int16 rv = NPP_HandleEvent(instance, event);
    return rv;
}

void Private_Print(NPP instance, NPPrint * platformPrint)
{
    NPP_Print(instance, platformPrint);
}

void Private_URLNotify(NPP instance, const char *url, NPReason reason, void *notifyData)
{
    NPP_URLNotify(instance, url, reason, notifyData);
}

jref Private_GetJavaClass(void)
{
    return NULL;
}

NPError Private_GetValue(NPP instance, NPPVariable variable, void *result)
{
    NPError rv = NPP_GetValue(instance, variable, result);
    return rv;
}

NPError Private_SetValue(NPP instance, NPNVariable variable, void *value)
{
    NPError rv = NPP_SetValue(instance, variable, value);
    return rv;
}

#endif                          //XP_MAC
